Quiz about Solving Expressions with Variables

Question 1

$$12+n=25$$

Accepted Answer

11

Answer

39

Answer

14

Answer

12

Question 2

$$6 imes n=30$$

Accepted Answer

5

Answer

36

Answer

6

Answer

24

Question 3

$$18\div r=3$$

Accepted Answer

Answer

Answer

Answer

Question 4

$$94-n=74$$

Accepted Answer

Answer

Answer

Answer

Question 5

$$7 imes s=42$$

Accepted Answer

Answer

Answer

Answer

Question 6

$$27\div r=9$$

Accepted Answer

Answer

Answer

Answer

Question 7

$$42-p=35$$

Accepted Answer

Answer

Answer

Answer

Question 8

$$x+47=54$$

Accepted Answer

Answer

Answer

Answer

Question 9

$$16\div m=4$$

Accepted Answer

Answer

Answer

Answer

Question 10

$$r imes8=40$$

Accepted Answer

Answer

Answer

Answer

Question 11

12x = 144

Accepted Answer

x = 12

Answer

x = 4

Answer

x = 2

Answer

x = 132

Question 12

y + 8 = 20

Accepted Answer

12

Answer

10

Answer

11

Answer

13

Question 13

k - 10 = 7

Accepted Answer

17

Answer

-3

Answer

3

Answer

- 17

Question 14

17 = x + 3

Accepted Answer

x = 14

Answer

x = 20

Answer

x = 13

Answer

x = 19

Question 15

x + 12 = 20

Accepted Answer

x = 8

Answer

x = 32

Answer

x = -32

Answer

x = -8

Question 16

4 + b = 30

Accepted Answer

26

Answer

-34

Answer

34

Answer

-26

Question 17

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

Accepted Answer

Add 62 to each side.

Answer

Subtract 62 from each side.

Answer

Multiply each side by 62.

Answer

Add 123 to each side.

Question 18

y - 4.6 = 12

Accepted Answer

16.6

Answer

5.8

Answer

7.4

Answer

Answer not Given

Question 19

10x = 90

Accepted Answer

x = 9

Answer

x = 80

Answer

x = 100

Answer

x = 10

Question 20

What is the inverse operation of division?

Accepted Answer

Multiplication

Answer

Division

Answer

Addition

Answer

Subtraction

Question 21

What is the inverse operation of division?

Accepted Answer

Multiplication

Answer

Division

Answer

Addition

Answer

Subtraction

Question 22

Which equation has x = 5 as the solution?

Accepted Answer

2x = 10

Answer

x + 15 = 10

Answer

2x = 5

Question 23

What is the correct step to solve for the variable?
15 = m - 5

Accepted Answer

add 5 to both sides

Answer

add 15 to both sides

Answer

subtract 15 from both sides

Answer

subtract 5 from both sides

Question 24

What what is the inverse operation of subtraction?

Accepted Answer

addition

Answer

subtraction

Answer

multiplication

Answer

division

Question 25

What are the two basic rules for solving algebraic equations?

Accepted Answer

Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign

Accepted Answer

Always do the opposite operation

Answer

Negative signs can be ignored

Answer

Always start on the left side, regardless of where the variable is

Question 26

What do you call the number in front of a variable that is being multiplied?

Accepted Answer

Coefficient

Answer

Constant

Answer

Variable

Answer

Equation

Question 27

What is the difference between an algebraic expression and an equation?

Accepted Answer

Expressions do not have an equal sign and equations need to have an equal sign

Answer

Algebraic expressions do not have variables, but equations do have variables

Answer

Expressions and equations are not different

Answer

Expressions need to have an equal sign and equations do not have an equal sign

Question 28

Solve the equation:
$$x-12=2$$

Accepted Answer

14

Answer

24

Answer

10

Answer

20

Question 29

One way to be certain of your work and having the correct solution is to what?

Accepted Answer

Check your solution

Answer

Isolate the variable

Answer

Inverse operations

Answer

Opposite

Question 30

To check your solution. You do what first?

Accepted Answer

Substitute the variable with the answer

Answer

Isolate the variable

Answer

Opposite

Answer

Use the "Golden Rule"

Question 31

Write an expression to represent "2 more than a number"

Accepted Answer

n + 2

Answer

2 > n

Answer

n > 2

Answer

2n

Question 32

What is a number decreased by seventeen?

Accepted Answer

n - 17

Answer

n + 17

Answer

17 + n

Answer

17 - n

Question 33

The math action word quotient indicates which operation?

Accepted Answer

division

Answer

addition

Answer

multiplication

Answer

exponent

Question 34

Solve the equation 3x+5 when x=4

Accepted Answer

17

Answer

36

Answer

21

Answer

39

Question 35

Evaluate:

n + 6 when n = 6

Accepted Answer

12

Answer

0

Answer

36

Answer

6

Question 36

Evaluate:

8b when b = 9

Accepted Answer

72

Answer

17

Answer

89

Answer

1

Question 37

Evaluate:

2x + 6 when x = 3

Accepted Answer

12

Answer

11

Answer

29

Answer

0

Question 38

Evaluate:

8 + 5b when b = 10

Accepted Answer

58

Answer

518

Answer

42

Answer

31

Question 39

3hif h=3

Accepted Answer

9

Answer

6

Answer

12

Answer

1

Question 40

24 + s

if s=10

Accepted Answer

34

Answer

240

Answer

14

Answer

2410

Question 41

r + b

if r=3 and b=5

Accepted Answer

8

Answer

35

Answer

15

Answer

None of the above

Question 42

4w + 3

if w=2

Accepted Answer

11

Answer

9

Answer

7

Answer

None of the above

Question 43

What are variables in math?

Accepted Answer

Letters

Answer

Numbers

Answer

Expressions

Question 44

Solve the equation 8+5b when b=10

Accepted Answer

58

Answer

42

Answer

518

Answer

31

Question 45

Solve when x=1 and y=2.

$$x+y$$

Accepted Answer

Answer

Answer

Answer

Question 46

Which equation is correct if:

t=56?

Accepted Answer

$$7 imes8=t$$

Answer

Answer

Answer

$$t\div5=11$$

Question 47

x + 9 = 12

Accepted Answer

x = 3

Answer

x = 5

Answer

x = 4

Answer

x = 21

Question 48

2p = 10

Accepted Answer

p = 5

Answer

p = 8

Answer

p = 20

Answer

p = 12

Question 49

7 = n - 6

Accepted Answer

n = 13

Answer

n = 1

Answer

n = 5

Answer

n = 42

Question 50

$$27\ \div k\ =3$$

Accepted Answer

Answer

Answer

Answer

Question 51

4s = 20

Accepted Answer

s = 5

Answer

s = 16

Answer

s = 24

Answer

s = 6

Question 52

c - 3 = 11

Accepted Answer

c = 14

Answer

c = 8

Answer

c = 33

Answer

c = 9

Question 53

23 = m + 23

Accepted Answer

m = 0

Answer

m = 10

Answer

m = 13

Answer

m = 23

Question 54

63 = 7t

Accepted Answer

t = 9

Answer

t = 5

Answer

t = 56

Answer

t = 70

Question 55

$$a\ \div8=7$$

Accepted Answer

Answer

Answer

Answer

Question 56

10y = 70

Accepted Answer

y = 7

Answer

y = 80

Answer

y = 60

Answer

y = 700

Question 57

r + 6 = 15

Accepted Answer

r = 9

Answer

r = 21

Answer

r = 7

Answer

r = 10

Question 58

3q = 36

Accepted Answer

q = 12

Answer

q = 33

Answer

q = 8

Answer

q = 39

Question 59

15 = d + 7

Accepted Answer

d = 8

Answer

d = 7

Answer

d = 9

Answer

d = 22

Question 60

$$m\div9=4$$

Accepted Answer

Answer

Answer

Answer

Question 61

4f = 44

Accepted Answer

f = 11

Answer

f = 12

Answer

f = 40

Answer

f = 48

Question 62

x-4=12

Accepted Answer

16

Answer

8

Answer

4

Answer

20

Question 63

x+5=10

Accepted Answer

5

Answer

10

Answer

7

Answer

4

Question 64

x+6=12

Accepted Answer

6

Answer

7

Answer

4

Answer

5

Solving Expressions with Variables

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